Comes complete with RED LED, immobiliser wires and fully tagged Black harness. The D4000 series processors have multi mode coding to suit an extensive range of different vehicle configurations and should NOT be attempted unless you have been trained to install this product.
Any removal and reinstallation of a Dynatron System should always be carried out by an Authorised Dynatron trained and Authorised technician. Installations done outside this recommendation would void any remaining warranty on the product.